40420900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 104993280

約数和(自身を除く): 64572380

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 31, 34, 50, 52, 59, 62, 65, 68, 85, 100, 118, 124, 130, 155, 170, 221, 236, 260, 295, 310, 325, 340, 403, 425, 442, 527, 590, 620, 650, 767, 775, 806, 850, 884, 1003, 1054, 1105, 1180, 1300, 1475, 1534, 1550, 1612, 1700, 1829, 2006, 2015, 2108, 2210, 2635, 2950, 3068, 3100, 3658, 3835, 4012, 4030, 4420, 5015, 5270, 5525, 5900, 6851, 7316, 7670, 8060, 9145, 10030, 10075, 10540, 11050, 13039, 13175, 13702, 15340, 18290, 19175, 20060, 20150, 22100, 23777, 25075, 26078, 26350, 27404, 31093, 34255, 36580, 38350, 40300, 45725, 47554, 50150, 52156, 52700, 62186, 65195, 68510, 76700, 91450, 95108, 100300, 118885, 124372, 130390, 137020, 155465, 171275, 182900, 237770, 260780, 310930, 325975, 342550, 404209, 475540, 594425, 621860, 651950, 685100, 777325, 808418, 1188850, 1303900, 1554650, 1616836, 2021045, 2377700, 3109300, 4042090, 8084180, 10105225, 20210450, 40420900]

約数ペア:

[(1, 40420900), (2, 20210450), (4, 10105225), (5, 8084180), (10, 4042090), (13, 3109300), (17, 2377700), (20, 2021045), (25, 1616836), (26, 1554650), (31, 1303900), (34, 1188850), (50, 808418), (52, 777325), (59, 685100), (62, 651950), (65, 621860), (68, 594425), (85, 475540), (100, 404209), (118, 342550), (124, 325975), (130, 310930), (155, 260780), (170, 237770), (221, 182900), (236, 171275), (260, 155465), (295, 137020), (310, 130390), (325, 124372), (340, 118885), (403, 100300), (425, 95108), (442, 91450), (527, 76700), (590, 68510), (620, 65195), (650, 62186), (767, 52700), (775, 52156), (806, 50150), (850, 47554), (884, 45725), (1003, 40300), (1054, 38350), (1105, 36580), (1180, 34255), (1300, 31093), (1475, 27404), (1534, 26350), (1550, 26078), (1612, 25075), (1700, 23777), (1829, 22100), (2006, 20150), (2015, 20060), (2108, 19175), (2210, 18290), (2635, 15340), (2950, 13702), (3068, 13175), (3100, 13039), (3658, 11050), (3835, 10540), (4012, 10075), (4030, 10030), (4420, 9145), (5015, 8060), (5270, 7670), (5525, 7316), (5900, 6851)]